ar-toluenesulfonic acid(WeiKu) Used in chemical industry and synthetic detergents the pulp conditioners. In synthetic washing powder inside allocated into this product after each index of washing powder were able to achieve the targets outside, still up three function:(1) can reduce pulp viscosity, improve pulp liquidity, make powder spraying convenient, reduce energy consumption, so as to improve the production capacity.(2) reduce powder spraying tower off-gas fine powder, reduce pollution, the yield loss affected by increasing pollution, increase production(3) can promote washing powder five sodium hydration, improve washing resistance and fast performance and improve the quality of products.